ResearchBenchmarksSolving Heat Equation on Heat2D MultiscaleFollow1.49Relative L2 ErrorSEA-PINN1.1963.18055.1657.1495Jun 18, 2026Evaluation ResultsMethodMethodLinksRelative L2 ErrorPercentage ImprovementSEA-PINN2026.061.4983.09FNN-PINN2026.068.84—